Tiny beam shaper fabricated on the tip of a fibre creates twisted light
31 Oct 2022
Beam shaping device: Scanning electron microscopy image of the micro-optical element that’s 3D laser printed directly on the end of an optical fibre, showing the helical axicon (top) and the parabolic lens. (Courtesy: Shlomi Lightman, Soreq Nuclear Research Center)
Physicists in Israel have printed a micro-optical element that generates a twisted Bessel beam on th
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